package org.lq.web.admin;

import org.lq.entity.User;
import org.lq.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;

@Controller
public class LoginController {
    @Autowired
    private UserService userService;
    @RequestMapping("/admin")
    public String loginPage(){
        return "admin/login";
    }
    @PostMapping("/login")
    public String login(@RequestParam String username,
                        @RequestParam String password,
                        HttpSession session,
                        RedirectAttributes attributes
                        ){
        User user = userService.checkUser(username, password);
        if(user!=null){
            user.setPassword(null);
            session.setAttribute("user",user);
            return "admin/index";
        }else{
            attributes.addFlashAttribute("message", "用户名或密码错误");
            return "admin/login";
        }
    }
    @GetMapping("/admin/logout")
    public String logout(HttpSession session){
        session.removeAttribute("user");
        return "admin/login";
    }

}
